JPS5163394A - Rinsannoseiseiho oyobi dohohoojitsushisurutamenosochi - Google Patents
Rinsannoseiseiho oyobi dohohoojitsushisurutamenosochiInfo
- Publication number
- JPS5163394A JPS5163394A JP50119685A JP11968575A JPS5163394A JP S5163394 A JPS5163394 A JP S5163394A JP 50119685 A JP50119685 A JP 50119685A JP 11968575 A JP11968575 A JP 11968575A JP S5163394 A JPS5163394 A JP S5163394A
- Authority
- JP
- Japan
- Prior art keywords
- rinsannoseiseiho
- dohohoojitsushisurutamenosochi
- oyobi
- rinsannoseiseiho oyobi
- oyobi dohohoojitsushisurutamenosochi
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/18—Phosphoric acid
- C01B25/234—Purification; Stabilisation; Concentration
- C01B25/237—Selective elimination of impurities
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Removal Of Specific Substances (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Processing Of Solid Wastes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2447390A DE2447390C3 (de) | 1974-10-04 | 1974-10-04 | Verfahren zur Reinigung von Naßphosphorsäure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5163394A true JPS5163394A (en) | 1976-06-01 |
| JPS537319B2 JPS537319B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1978-03-16 |
Family
ID=5927552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50119685A Granted JPS5163394A (en) | 1974-10-04 | 1975-10-03 | Rinsannoseiseiho oyobi dohohoojitsushisurutamenosochi |
Country Status (21)
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2447347A1 (fr) * | 1979-01-24 | 1980-08-22 | Rhone Poulenc Ind | Procede de traitement d'un acide phosphorique impur |
| SE418845B (sv) | 1979-05-10 | 1981-06-29 | Boliden Ab | Forfarande for rening av vatprocessfosforsyra |
| DE3134847A1 (de) * | 1981-09-03 | 1983-03-17 | Hoechst Ag, 6000 Frankfurt | "verfahren zur gewinnung cadmium-freier rohphosphorsaeure" |
| DE3202659A1 (de) * | 1982-01-28 | 1983-08-04 | Hoechst Ag, 6230 Frankfurt | Verfahren zur reinigung von nassverfahrensphosphorsaeure |
| DE3360853D1 (en) * | 1982-02-12 | 1985-10-31 | Hoechst Ag | Process for the reduction of the heavy metal content in raw phosphate |
| IL69100A (en) * | 1982-07-21 | 1986-11-30 | Hoechst Ag | Process for removing heavy metal ions and arsenic from wet-processed phosphoric acid |
| DE3325862A1 (de) * | 1983-07-18 | 1985-01-31 | Hoechst Ag, 6230 Frankfurt | Verfahren und vorrichtung zur entfernung von organischen verunreinigungen aus nassverfahrensphosphorsaeure |
| DE19703884C2 (de) * | 1997-02-03 | 1999-04-29 | Bk Giulini Chem Gmbh & Co Ohg | Verfahren zur Reinigung von Naßverfahrensphosphorsäure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1472520A (fr) * | 1966-03-23 | 1967-03-10 | Marchon Products Ltd | Procédé de désulfatation de l'acide phosphorique |
-
1974
- 1974-10-04 DE DE2447390A patent/DE2447390C3/de not_active Expired
-
1975
- 1975-09-09 GB GB37054/75A patent/GB1524552A/en not_active Expired
- 1975-09-12 ZA ZA00755820A patent/ZA755820B/xx unknown
- 1975-09-18 CA CA235,803A patent/CA1045339A/en not_active Expired
- 1975-09-19 ES ES441121A patent/ES441121A1/es not_active Expired
- 1975-09-22 TR TR19680A patent/TR19680A/xx unknown
- 1975-09-27 EG EG573/75A patent/EG11849A/xx active
- 1975-09-30 BE BE160530A patent/BE834003A/xx not_active IP Right Cessation
- 1975-10-01 NL NLAANVRAGE7511568,A patent/NL170839C/xx not_active IP Right Cessation
- 1975-10-01 FI FI752749A patent/FI752749A7/fi not_active Application Discontinuation
- 1975-10-02 SE SE7511066A patent/SE401668B/xx not_active IP Right Cessation
- 1975-10-02 IT IT51611/75A patent/IT1047666B/it active
- 1975-10-02 AT AT753175A patent/AT358525B/de not_active IP Right Cessation
- 1975-10-02 SU SU752176256A patent/SU671716A3/ru active
- 1975-10-02 BR BR7506423*A patent/BR7506423A/pt unknown
- 1975-10-02 DD DD188691A patent/DD120417A5/xx unknown
- 1975-10-03 DK DK447575A patent/DK137229C/da not_active IP Right Cessation
- 1975-10-03 FR FR7530417A patent/FR2286790A1/fr active Granted
- 1975-10-03 CH CH1287775A patent/CH599900A5/xx not_active IP Right Cessation
- 1975-10-03 JP JP50119685A patent/JPS5163394A/ja active Granted
- 1975-10-03 IL IL48236A patent/IL48236A/xx unknown
Also Published As
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